<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width,initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      console.log(0xf); // 16进制
      console.log(0b1); // 2进制
      console.log(0o11); // 8进制
      console.log(11); // 10进制
    </script>
  </body>
</html>
